package com.hr.hrto.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.hr.hrto.common.R;
import com.hr.hrto.domain.Employee;
import com.hr.hrto.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

/**
 * Created with IntelliJ IDEA.
 *
 * @Author: 黄瑞
 * @Date: 2022/07/04/17:25
 * @Description:员工表的控制层
 * @version:1.0
 */
@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    @Test
    public R<Employee> login(HttpServletRequest request , @RequestBody Employee employee){
        /**
         * 业务逻辑
         * 1、将页面提交的密码password进行md5加密处理
         * 2、根据页面提交的用户名username查询数据库
         * 3、如果没有查询到则返回登录失败结果
         * 4、密码比对，如果不一致则返回登录失败结果
         * 5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果6、登录成功，将员工id存入Session并返回登录成功结果
         */
        //1、将页面提交的密码password进行md5加密处理
        String password = employee.getPassword();
        password=DigestUtils.md5DigestAsHex(password.getBytes());
        //2、根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        //3、如果没有查询到则返回登录失败结果
        if (emp == null){
            return R.error("登录失败");
        }
        //4、密码比对，如果不一致则返回登录失败结果
        if (!emp.getPassword().equals(password)){
            return R.error("登录失败");
        }
        //5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果6、登录成功，将员工id存入Session并返回登录成功结果
        if (emp.getStatus()==0){
            return R.error("账号已禁用");
        }
        //登录成功
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    /**
     * 员工退出
     * @param request
     * @return
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清除Session中保存的登录员工id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     * 新增员工
     * @param employee
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setCreateUser((Long) request.getSession().getAttribute("employee"));
//        employee.setUpdateUser((Long) request.getSession().getAttribute("employee"));
        employeeService.save(employee);
        log.info("新增员工:{}",employee.toString());
        return R.success("新增成功");
    }

    /**
     * 员工分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        //构造分页构造器
        Page pageInfo = new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加查询条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
//        employee.setUpdateTime(LocalDateTime.now());
//        Long empid = (Long)request.getSession().getAttribute("employee");
//        employee.setUpdateUser(empid);
        long id = Thread.currentThread().getId();
        log.info("线程id:{}",id);
        employeeService.updateById(employee);
        return R.success("修改成功");
    }

    /**
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
       log.info("根据id查询员工信息");
        Employee employee = employeeService.getById(id);
        if (!employee.equals(null)){
            return R.success(employee);
        }else {
            return R.error("未查询到该员工信息");
        }
        }

}
